有关SNP协议的详细资料，请查阅Serial Communications User’s Manual,GFK-0582永久数据包在建立永久数据包的SNP会议后保存下来。这样允许-一个SNP主设备周期性地恢复来自一个多路连接的许多PLC的数据包数据，省得主设备每次连接PLC时不得不建立和写数据包。

ABB S1N Circuit Breaker #11877

LEM Current Transducer HAL400-S, #12167

SCI Circuit Board 080-2473 / 180-2473 REV I/FD #24177

SCI Circuit Board 080-2490,180-24?90 Rev A #24193

Fafnir Bearings 405H, 406H, LOT OF 2, #12695

Sonshine Electronics Circuit Board 401A #24197

SKF NKS Bearings 6203-22 6209-2Z 6004Z, LOT of 4 #12697

LFE Ammeter Amperes Meter 40CA-4303-0000 #23175

MRC Bearing 405 RO, #12702

Consolidated Bearing ELN75, K RIV, #12693

Box of 40 SPC SOC SW-46, Slikwik Corn Cob #21708

Sonshine Electronic Circuit Board 401A #24200

SCI Circuit Board 080-2483 / 180-2483 #24189

Allen Bradley SLC 100 Processor #1745-E101, #6827

Allen Bradley Field Wiring Arm 1771-WG #29656

Heinemann Circuit Breaker CF3-G3-DU #31214

Astec America Converter MAS2075-8 #31612

Festo Solenoid Manifold Valve MUHX2-ZP-D-2-24?G #16969

Square D Circuit Breaker FAL26015 15 Amp #32009